<!DOCTYPE html>
<title>showDirectoryPicker API test</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="resources/utils.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="/resources/testdriver-actions.js"></script>

<body>
<script>
promise_test(async () => {
  const frame = attachFencedFrameContext();
  const result = await frame.execute(async () => {
    await simulateGesture();
    try {
      const dir = await window.showDirectoryPicker();
      return 'opened directory picker';
    } catch (e) {
      if (e.name === 'SecurityError' &&
          e.message === "Failed to execute 'showDirectoryPicker' on 'Window': Cross origin sub frames aren't allowed to show a file picker.") {
        return 'Access to the directory picker was disallowed';
      }
      return `showDirectoryPicker failed with unknown error ${e.name} ${e.message}`;
    }
  });
  assert_equals(result, 'Access to the directory picker was disallowed');
}, 'Directory information should not be read in the fenced frame.');
</script>
